ElementwiseActivationLayer.h

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/*
 * Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef __ONERT_BACKEND_CPU_OPS_ElementwiseActivationLAYER_H__
#define __ONERT_BACKEND_CPU_OPS_ElementwiseActivationLAYER_H__
 
#include <backend/IPortableTensor.h>
 
#include <exec/IFunction.h>
 
namespace onert
{
namespace backend
{
namespace cpu
{
namespace ops
{
 
enum class ElementwiseActivationType
{
  kElu,
  kLogistic,
  kReLU,
  kTanh,
  kLeakyReLU
};
 
class ElementwiseActivationLayer : public ::onert::exec::IFunction
{
public:
  ElementwiseActivationLayer();
 
public:
  void configure(const IPortableTensor *input, IPortableTensor *output, float alpha, float beta,
                 const ElementwiseActivationType op_type);
 
  void run() override;
 
  void PopulateLookupTable(const ElementwiseActivationType op_type);
 
  void EvalUsingLookupTable(const IPortableTensor *input, IPortableTensor *output);
 
protected:
  const IPortableTensor *_input;
  IPortableTensor *_output;
  uint8_t _table[256];
  std::function<void(const IPortableTensor *input, IPortableTensor *output)> _kernel;
};
 
} // namespace ops
} // namespace cpu
} // namespace backend
} // namespace onert
 
#endif // __ONERT_BACKEND_CPU_OPS_ElementwiseActivationLAYER_H__